Bolt with anti-loosening effect
A bolt and anti-loosening technology, applied in the direction of bolts, screws, nuts, etc., can solve the problems of easy falling off and easy loosening of nuts, so as to avoid easy loosening and falling off, avoid loosening and detachment, and ensure tightness and safety. Effect
Active Publication Date: 2021-03-02
江苏江扬紧固件有限公司
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Problems solved by technology
[0006] The purpose of the present invention is to provide a bolt with anti-loosening effect. By opening a through groove on the screw part of the screw and setting a fastener at one end of the nut, the fastener passes through the first positioning block and the second positioning block along the The screw part moves in parallel, and at the same time, the position of the fastener can be limited by the interference fit between the pin and the through groove, and the expansion of the screw part between the collar and the reinforcement sleeve can be caused by applying force to the pin, and the limit nut and the tightening can be tightened. The position of the firmware solves the problem that the existing nuts are easy to loosen and fall off due to excessive and frequent vibrations
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[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0033] see Figure 1-6 As shown, the present invention is a bolt with anti-loosening effect, including a screw 1, a nut 2, a fastener 3 and a pin 4, the screw 1 includes a screw part 101 and a nut part 102, and the nut 2 is arranged on the screw part 101 And threadedly connected with the screw part 101;
[0034] The end of the screw part 101 away from the nut part 102 is provided with a through groove 103, and the through groove 103 is a strip groove structure;
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The invention discloses a bolt with an anti-loosening effect, and relates to the technical field of fasteners. The bolt comprises a screw, a nut, a fastener and a pin, the screw comprises a screw rodpart and a screw cap part, the nut is arranged on the screw rod part and is in threaded connection with the screw rod part, a through groove is formed in the end, away from the screw cap part, of thescrew rod part and is of a strip-shaped groove structure, the fastener comprises a lantern ring, and one end of the lantern ring is rotationally connected with one end of the nut through a connectingpiece. The through groove is formed in the screw rod part of the screw, the fastener is arranged at one end of the nut, the fastener moves in parallel along the screw rod part through a first positioning block and a second positioning block, and meanwhile the position of the fastener can be limited through interference fit of the pin and the through groove. Expansion of the part, between the lantern ring and a reinforcing sleeve, of the screw rod part can be caused by applying force to the pin, the positions of the nut and the fastener can be fastened and limited, and the problems that an existing nut is prone to loosening and falling off due to excessive and frequent vibration are solved.
Description
technical field [0001] The invention belongs to the technical field of fasteners, in particular to a bolt with anti-loosening effect. Background technique [0002] For the bolts used in larger and more frequent positions, the nuts will rotate slowly after long-term use, which will lead to the problem that the nuts are easy to loosen and fall off, thus affecting the fastening and safety of the fixed position. The anti-loosening measures can be carried out by means of wedge-shaped gaskets or welded nuts, or by opening holes on the screw rods and inserting steel wires. [0003] The problem of insufficient anti-loosening effect still occurs in the mode of using wedge-shaped spacers. [0004] At the same time, the method of using welding nuts will cause the problem of reduced construction efficiency, and the welded part has thread grooves, which will cause problems such as difficult welding, insufficient welding fastness and insufficient anti-corrosion ability. [0005] There a...
Claims
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IPC IPC(8): F16B39/04F16B35/00
CPCF16B39/04F16B35/00
Inventor 焦志民汤平根丁勤效徐晨鹏丁冠文田铁军曹军
Owner 江苏江扬紧固件有限公司